383222893 has 2 divisors, whose sum is σ = 383222894. Its totient is φ = 383222892.

The previous prime is 383222843. The next prime is 383222911. The reversal of 383222893 is 398222383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381538089 + 1684804 = 19533^2 + 1298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383222893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383222813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191611446 + 191611447.

It is an arithmetic number, because the mean of its divisors is an integer number (191611447).

Almost surely, 2^383222893 is an apocalyptic number.

It is an amenable number.

383222893 is a deficient number, since it is larger than the sum of its proper divisors (1).

383222893 is an equidigital number, since it uses as much as digits as its factorization.

383222893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 383222893 is about 19576.0796126293. The cubic root of 383222893 is about 726.3575945057.

The spelling of 383222893 in words is "three hundred eighty-three million, two hundred twenty-two thousand, eight hundred ninety-three".